You can use class_exists to check if a plugin is active. ( Watch the video below which tests the code examples in this tutorial ). You
How To Replace Background Image On Monochrome Pro With Fully Responsive Slider
This question comes from a member of the StudioPress community forums : How do I replace background image on Monochrome Pro with fully
Genesis YouTube Video Grid For Widget Area
The code in this tutorial enables you to display a grid of YouTube videos in a widget area like you see in the following screenshot
Unique After Header Images On All Pages In Atmosphere Pro
This tutorial provides the code which enables you to add a unique image after the header on all page types using the Atmosphere Pro child
Custom Category Archive Template
The template in this tutorial enables you to display category archive pages differently to the default archives. This solution has
Create Excerpt of Custom Field Text With Read More Link & Word Limit
The code in this tutorial enables you to create a excerpt of your custom field text and add a read more link to it just like a post excerpt.